﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Data.SqlClient;

namespace ConsoleApp1
{
    class Program
    {
        static void Main(string[] args)
        {
            string connectionString = "server=.;database=Kris;uid=sa;pwd=123456";
            SqlConnection sqlConnection = new SqlConnection(connectionString);
            sqlConnection.Open();
            var SqlcommandString = "select * from school";
            SqlCommand sqlCommand = new SqlCommand(SqlcommandString, sqlConnection);
            var sdr = sqlCommand.ExecuteReader();
            Console.WriteLine("{0}\t{1}\t{2}", "编号", "学校名称","班级编号");
            while (sdr.Read ())
            {
                Console.WriteLine("{0}\t{1}\t{2}", sdr["scoolId"], sdr["scoolName"], sdr["classId"]);
            }
            sqlConnection.Close();
        }
    }
}
